Physics A periscope works on the principle of Diffraction Reflection Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Heat Light Sound Electromagnetic Heat Light Sound Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warm water being added to the ocean due to industial waste Warmer, less dense water sinking in the ocean and cold water replacing it Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warm water being added to the ocean due to industial waste Warmer, less dense water sinking in the ocean and cold water replacing it ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops acquire spherical shape due to Friction Viscosity Elasticity Surface tension Friction Viscosity Elasticity Surface tension ANSWER DOWNLOAD EXAMIANS APP